I0020 over LINWOOD AVE, I-49, RAMP


+32.49585, -93.76186
32°29'45" N, 93°45'43" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0020 over LINWOOD AVE, I-49, RAMP
Structure number:040904510117627
Location:I-20 OVER I-49 RAMP
Purpose:Carries highway overpass (third level) over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:174.9 ft. [53.3 m]
Total length:1419.0 ft. [432.5 m]
Roadway width between curbs:25.6 ft. [7.8 m]
Deck width edge-to-edge:28.9 ft. [8.8 m]
Vertical clearance above deck:18.0 ft. [5.5 m]
Vertical clearance below bridge:18.4 ft. [5.6 m]
Owner:State Highway Agency [01]
Year built:1993
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2015 

Status:Open, no restriction [A]
Average daily traffic:6,360 [as of 2015]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:65.3 tons [59.4 metric tons]
Inventory rating:39.6 tons [36.0 metric tons]
Sufficiency rating:91.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201591.0Not deficientGoodGoodGood6360
June 201490.0Not deficientGoodGoodGood5330
March 201292.0Not deficientGoodGoodGood6550
March 201092.0Not deficientGoodGoodGood6560
February 200892.0Not deficientVery GoodVery GoodVery Good7990
March 200692.0Not deficientVery GoodVery GoodVery Good6783
March 200492.0Not deficientVery GoodVery GoodVery Good6780
April 200292.0Not deficientVery GoodVery GoodVery Good6100
March 200094.0Not deficientVery GoodVery GoodVery Good7848
20000.0Not applicable---26789
March 199894.0Not deficientVery GoodVery GoodVery Good7848
May 199694.0Not deficientVery GoodVery GoodVery Good7756
June 199494.0Not deficientVery GoodVery GoodVery Good7582